.loader {
    border: 3px solid transparent;
    border-radius: 150px;
    border-top: 3px solid #1A73E8;
    width: 100%;
    height: 100%;
    position: absolute;
    z-index: 2;
    top: 0;
    left: 0;
    -webkit-animation: spin 1.5s linear infinite;
    animation: spin 2s linear infinite;
  }
  
  @-webkit-keyframes spin {
    0% { -webkit-transform: rotate(0deg); }
    100% { -webkit-transform: rotate(360deg); }
  }
  
  @keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
  }